Implementation notes: amd64, comet, crypto_aead/aes128n12t8clocv2

Computer: comet
Microarchitecture: amd64; Comet Lake (806ec)
Architecture: amd64
CPU ID: GenuineIntel-000806ec-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: aes128n12t8clocv2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
17218	5973 0 192	23969 852 1280	`T:aesni`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
17235	5922 0 192	23625 852 1248	`T:aesni`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
17260	4542 0 192	19231 844 1280	`T:aesni`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
17368	6341 0 192	20249 852 1216	`T:aesni`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
17408	6469 0 192	20796 780 1280	`T:aesni`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
17414	6597 0 192	22812 780 1280	`T:aesni`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
18074	4951 0 192	17575 756 1248	`T:aesni`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
18248	6046 0 192	19988 780 1280	`T:aesni`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
107889	24554 0 0	40812 780 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
108945	20766 0 0	33391 756 1056	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
110000	21505 0 0	35884 780 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
116463	21930 0 0	35811 772 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
119364	20458 0 0	35427 844 1088	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
121700	21155 0 0	35349 852 1024	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
122172	23290 0 0	41605 852 1088	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
122523	22462 0 0	40477 852 1056	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
124785	22755 0 0	39453 852 1024	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625

Compiler output

encrypt.c: In file included from encrypt.c:37:
encrypt.c: ./aes.h:30:2: error: '__builtin_ia32_aeskeygenassist128' needs target feature aes
encrypt.c:         EXPAND_ASSIST(x0, x1, x2, x0,   1);    roundkeys[1]  = x0;
encrypt.c:         ^
encrypt.c: ./aes.h:13:7: note: expanded from macro 'EXPAND_ASSIST'
encrypt.c:         v2 = _mm_aeskeygenassist_si128(v4, aes_const);                  \
encrypt.c:              ^
encrypt.c: /usr/lib/llvm-14/lib/clang/14.0.6/include/__wmmintrin_aes.h:136:13: note: expanded from macro '_mm_aeskeygenassist_si128'
encrypt.c:   ((__m128i)__builtin_ia32_aeskeygenassist128((__v2di)(__m128i)(C), (int)(R)))
encrypt.c:             ^
encrypt.c: In file included from encrypt.c:37:
encrypt.c: ./aes.h:31:2: error: '__builtin_ia32_aeskeygenassist128' needs target feature aes
encrypt.c:         EXPAND_ASSIST(x0, x1, x2, x0,   2);    roundkeys[2]  = x0;
encrypt.c:         ^
encrypt.c: ./aes.h:13:7: note: expanded from macro 'EXPAND_ASSIST'
encrypt.c:         v2 = _mm_aeskeygenassist_si128(v4, aes_const);                  \
encrypt.c:              ^
encrypt.c: /usr/lib/llvm-14/lib/clang/14.0.6/include/__wmmintrin_aes.h:136:13: note: expanded from macro '_mm_aeskeygenassist_si128'
encrypt.c:   ((__m128i)__builtin_ia32_aeskeygenassist128((__v2di)(__m128i)(C), (int)(R)))
encrypt.c:             ^
encrypt.c: In file included from encrypt.c:37:
encrypt.c: ./aes.h:32:2: error: '__builtin_ia32_aeskeygenassist128' needs target feature aes
encrypt.c:         EXPAND_ASSIST(x0, x1, x2, x0,   4);    roundkeys[3]  = x0;
encrypt.c:         ^
encrypt.c: ./aes.h:13:7: note: expanded from macro 'EXPAND_ASSIST'
encrypt.c: ...

Number of similar (implementation,compiler) pairs: 1, namely:

Implementation	Compiler
`T:aesni`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`

Compiler output

encrypt.c: encrypt.c:68:2: warning: misleading indentation; statement is not part of the previous 'for' [-Wmisleading-indentation]
encrypt.c:         return RETURN_SUCCESS;
encrypt.c:         ^
encrypt.c: encrypt.c:63:5: note: previous statement is here
encrypt.c:     for(i = 0; i < CRYPTO_ABYTES; i++)
encrypt.c:     ^
encrypt.c: 1 warning generated.

Number of similar (implementation,compiler) pairs: 5, namely:

Implementation	Compiler
`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)`

Compiler output

encrypt.c: encrypt.c: In function 'crypto_aead_aes128n12t8clocv2_ref_timingleaks_decrypt':
encrypt.c: encrypt.c:63:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
encrypt.c:    63 |     for(i = 0; i < CRYPTO_ABYTES; i++)
encrypt.c:       |     ^~~
encrypt.c: encrypt.c:68:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
encrypt.c:    68 |         return RETURN_SUCCESS;
encrypt.c:       |         ^~~~~~

Number of similar (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)`